Home / 11,791.27-16,272.03-6,485.95

Finding the Fourth Proportional to 11,791.27, 16,272.03 and 6,485.95

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Solution

The fourth proportional to 11,791.27, 16,272.03 and 6,485.95 is: 8,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.27 : 16,272.03 = 6,485.95 : x
  2. Step 2: Convert to fraction form
    11,791.27/16,272.03 = 6,485.95/x
  3. Step 3: Cross multiply
    11,791.27x = 16,272.03 × 6,485.95
  4. Step 4: Simplify right side
    11,791.27x = 105,539,572.98
  5. Step 5: Solve for x
    x = 105,539,572.98/11,791.27
  6. Step 6: Final answer
    x = 8,950.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.